2725125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 5024448

約数和(自身を除く): 2299323

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 125, 129, 169, 195, 215, 325, 375, 507, 559, 645, 845, 975, 1075, 1625, 1677, 2535, 2795, 3225, 4225, 4875, 5375, 7267, 8385, 12675, 13975, 16125, 21125, 21801, 36335, 41925, 63375, 69875, 109005, 181675, 209625, 545025, 908375, 2725125]

約数ペア:

[(1, 2725125), (3, 908375), (5, 545025), (13, 209625), (15, 181675), (25, 109005), (39, 69875), (43, 63375), (65, 41925), (75, 36335), (125, 21801), (129, 21125), (169, 16125), (195, 13975), (215, 12675), (325, 8385), (375, 7267), (507, 5375), (559, 4875), (645, 4225), (845, 3225), (975, 2795), (1075, 2535), (1625, 1677)]